a42dfab18e
Automation scripts for reproducing scenarios described in NVMeOF performance report by Vishal. https://ci.spdk.io/download/performance-reports/SPDK_nvmeof_perf_report_18.04.pdf Change-Id: I006f68b67b5f42f2cc1ec82a158fc86e76371ba1 Signed-off-by: Karol Latecki <karol.latecki@intel.com> Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/441898 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
import os
|
|
import re
|
|
import json
|
|
from itertools import product, chain
|
|
from subprocess import check_output, Popen
|
|
|
|
|
|
def get_used_numa_nodes():
|
|
used_numa_nodes = set()
|
|
for bdf in get_nvme_devices_bdf():
|
|
with open("/sys/bus/pci/devices/%s/numa_node" % bdf, "r") as numa_file:
|
|
output = numa_file.read()
|
|
used_numa_nodes.add(int(output))
|
|
return used_numa_nodes
|
|
|
|
|
|
def get_nvme_devices_count():
|
|
output = get_nvme_devices_bdf()
|
|
return len(output)
|
|
|
|
|
|
def get_nvme_devices_bdf():
|
|
print("Getting BDFs for NVMe section")
|
|
output = check_output("source scripts/common.sh; iter_pci_class_code 01 08 02",
|
|
executable="/bin/bash", shell=True)
|
|
output = [str(x, encoding="utf-8") for x in output.split()]
|
|
print("Done getting BDFs")
|
|
return output
|
|
|
|
|
|
def get_nvme_devices():
|
|
print("Getting kernel NVMe names")
|
|
output = check_output("lsblk -o NAME -nlp", shell=True).decode(encoding="utf-8")
|
|
output = [x for x in output.split("\n") if "nvme" in x]
|
|
print("Done getting kernel NVMe names")
|
|
return output
|
|
|
|
|
|
def nvmet_command(nvmet_bin, command):
|
|
return check_output("%s %s" % (nvmet_bin, command), shell=True).decode(encoding="utf-8")
|